Roof vent



FIG. 1 is a top, front and side perspective view of a roof vent showing my new design;

FIG. 2 is a front end view thereof;

FIG. 3 is a rear end view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a side view thereof; and,

FIG. 7 is a top, rear and side perspective view thereof. 

The ornamental design for a roof vent, as shown and described. 